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在超高层建筑钢筋混凝土框架结构设计时,根据设计原则,为保证“强柱弱梁强节点”的要求,柱的混凝土强度等级通常会比梁板高,规程对梁柱节点区混凝土的设计及施工并未作出明确的规定,而在高层建筑混凝土结构的设计与施工中,这一问题是不可能回避的,因此需要寻求一种梁柱节点区混凝土合理设计和便利施工的方法。而且随着建筑物高度的增加,两者的差距会更大。然而这样的话,就会给实际施工带来很大麻烦。
In the design of reinforced concrete frame structure of super high-rise building, according to the design principle, in order to ensure the requirement of “strong column and weak beam strong node”, the concrete grade of column is usually higher than the beam plate, The design and construction have not made the explicit stipulation, and in the design and construction of high-rise building concrete structure, this problem can not be avoided. Therefore, it is necessary to find a method of reasonable design and convenient construction of concrete in beam-column joint area. And as the building height increases, the gap between the two will be even greater. However, in this case, it will cause great inconvenience to the actual construction.